OpenTechnical

OT-2026-000071907

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071907) never changes.

Identity and time

Publication numberOT-2026-000071907 · never reused
Internal UUID01a0ae92-47c0-7e5a-8487-9f9eb8e72578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071907
StatusPUBLIC

Content hashes

Canonical text29e83c06797d92d2ef492b58da0f898680ce2924811ca1070cf32edb4771d7a8
Markdowna275875e15fde669eb58d7c194607dcfbb3f9d7a61fdaff8eba02dde440b536a
PDF
Publication pagea9e48fd5cc66ecb506df1b96ccc9eff61bfac77dfb1562a919e0a59087e56b24
Manifestbaf88683f53bc0558a81f2d6251039502fdc606e8c67bf9c4dc940d84f286914

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature6aRoRXIgvvzQeGzJFkAW6u2ZMx1Op4MyEwE1YhUkUTaSOU+WCjhY9tkDtKk+CuKGcmo7h5QBpJrd6egpvU5NBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:55.945724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071907
observed a9e48fd5cc66ecb506df1b96ccc9eff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.927352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071907/manifest.json
observed baf88683f53bc0558a81f2d625103950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.910736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071907/publication.md
observed a275875e15fde669eb58d7c194607dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.891828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071907/publication.txt
observed 29e83c06797d92d2ef492b58da0f8986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.